Server Error in '/' Application.

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:


Line 501:                    for (int i = 0; i < strKategori.Length; i++)
Line 502:                    {
Line 503:                        chkKategori.Items.FindByValue(strKategori[i]).Selected = true;
Line 504:                    }
Line 505:                    break;

Source File: c:\Home\safir-grp.com\httpdocs\PortfoyListesi.aspx.cs    Line: 503

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   PortfoyListesi.urlToControl() in c:\Home\safir-grp.com\httpdocs\PortfoyListesi.aspx.cs:503
   PortfoyListesi.urlToFiltre() in c:\Home\safir-grp.com\httpdocs\PortfoyListesi.aspx.cs:597
   PortfoyListesi.Page_Load(Object sender, EventArgs e) in c:\Home\safir-grp.com\httpdocs\PortfoyListesi.aspx.cs:791
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
   System.Web.UI.Control.OnLoad(EventArgs e) +95
   System.Web.UI.Control.LoadRecursive() +59
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4057.0